//
//  Book.h
//  作业3
//
//  Created by dllo on 16/7/6.
//  Copyright © 2016年 dllo. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface Book : NSObject
@property (nonatomic,copy) NSString *bookName;
@property (nonatomic,assign) CGFloat price;
- (instancetype)initWithBookName:(NSString *)bookName
                           price:(CGFloat)price;
+ (instancetype)bookWithBookName:(NSString *)bookName
                           price:(CGFloat)price;
@end
